CN206065756U - Weld car integral type clamping device - Google Patents

Abstract

This utility model is related to a kind of weld car integral type clamping device, the clamping device include cylinder, housing, clamp arm tumbler, connecting rod one, rotary shaft one, rotary shaft two, clamp in place sensor block, clamp in place proximity switch, driving lever, open in place the external joint of proximity switch, proximity switch, cylinder piston rod, rotary shaft four, connecting rod two, proximity switch support, adjust driven bevel pinion and driving bevel gear.It is provided with proximity switch support to be connected with housing, housing, clamp arm tumbler, connecting rod one, connecting rod two, driving lever composition linkage.Dust cap is unclamped, the adjusting hole on housing is exposed in rotation, in adjusting hole on driving bevel gear insertion housing, adjust driving bevel gear rotation, by driving bevel gear and the cooperation of driven bevel pinion, direction of rotation is changed to vertically from level, driven bevel pinion drives cylinder piston rod rotation, change the mounting distance of driving lever and cylinder piston rod, so as to adjust the open angle of clamp arm revolving part.

Description

Weld car integral type clamping device

Technical field

This utility model is related to a kind of automobile making equipment, more particularly to a kind of weld car integral type clamping device.

Background technology

At present, auto industry production competition is very fierce, and existing weld car clamping mode typically has two kinds：One is to adopt Eccentric clamping cylinder is used, but due to clamping limited torque output using eccentric clamping cylinder, it is impossible to realize self-locking.Two is purchase integral type Often there are following problems in clamping cylinder, integral type clamping cylinder common on market：Adjustment is inconvenient, needs to adjust gas Extra purchase adjustment bolt is also wanted during cylinder open angle, and application effect is not good enough；Simultaneously external to order loaded down with trivial details, price is held high very much It is expensive；Often force-increasing mechanism energy loss is very big for existing binding clasp, and serious wear, service life are short.

Therefore, the novel product of automobile making equipment is continually developed to meet the market demand, weed out the old and bring forth the new, effectively improve vapour Car is welded the practicality and reliability of clamping device, is one of problem that art personnel should address.

Utility model content

The purpose of this utility model is to overcome above-mentioned weak point, there is provided a kind of simple structure, reasonable in design, performance peace Complete reliable, easy to use, adjustment is quick, stable performance, price are relatively low, the significant weld car integral type of application effect clamps dress Put.

This utility model using technical scheme is to achieve these goals：A kind of weld car integral type clamping device, It is characterized in that the clamping device includes housing, cylinder, linkage, cam mechanism, bevel gear matching mechanism and proximity switch Mechanism；

The linkage includes that housing, clamp arm tumbler, rotary shaft one, connecting rod one, rotary shaft two, clamping are felt in place Answer block, driving lever, directive wheel, rotary shaft four and connecting rod two；Clamp arm tumbler is hinged by the rotary shaft one with connecting rod one, is turned Moving axis two passes through connecting rod cam end circular hole, two two ends of rotary shaft installing connecting rods two and directive wheel successively, and rotary shaft four is through actively Bar, four two ends of rotary shaft installing connecting rods two and directive wheel successively；Sensor block is arranged on corresponding on driving lever in place for the clamping On installing hole；

The cam mechanism includes rotary shaft one, connecting rod one, rotary shaft two and needle bearing；Rotary shaft two is arranged on housing In preset installing hole, needle bearing is arranged in rotary shaft two, and connecting rod one is provided with cam surface, and connecting rod one is arranged on rotary shaft one In rotary shaft two, cam surface and the needle bearing periphery of connecting rod one are engaged；

The bevel gear matching mechanism includes driving bevel gear, driven bevel pinion, cylinder piston rod and jackscrew, the master of arranging Dynamic bevel gear unclamps the adjusting hole that dust cap rotation is exposed on housing as specific purpose tool when mechanism needs adjustment angle, will Driving bevel gear coordinates adjustment with driven bevel pinion through adjusting hole on housing；The driven bevel pinion is arranged on cylinder piston rod On, fixed by jackscrew；

The proximity switch mechanism includes proximity switch support, clamps proximity switch in place and open proximity switch in place； The clamping proximity switch and opens that proximity switch in place is corresponding to be arranged on proximity switch support in place, and clamping is close in place to open Close and open proximity switch in place to be connected with the external joint of proximity switch by data wire, the external joint of proximity switch is arranged on shell External side；

The linkage and bevel gear matching mechanism are respectively arranged at the upper and lower parts in housing；The lower housing portion Cylinder is provided with, cylinder is arranged on housing, and cylinder piston rod is connected with driving lever；In housing, adjacent driving lever side is provided with close Proximity switch support in switching mechanism；Housing internal upper part correspondence opens up Long Circle gathering sill and circular mounting hole；Copper graphite shaft Hold and be embedded in the installing hole of housing, clamp arm tumbler is arranged on copper graphite bearing；The installation of housing proximity switch side Hole is provided with needle bearing in rotary shaft three built with rotary shaft three.

The beneficial effects of the utility model are：This utility model merges use using linkage with cam mechanism, can use Relatively small operating air pressure produces very big clamping force, and mechanism energy loss is preferably minimized by the use of cam mechanism；Connecting rod Mechanism can be automatically locked in clamped position, safe and reliable；Using standard modular structure, output torque value is fixed, convenient Jig Design and model are selected；Realization can be coordinated to automatically control, facilitate Field adjustment.This utility model simple structure, design are closed Reason, easy to use, adjustment is quick, stable and reliable for performance, effectively reduces application cost, application effect highly significant.

Description of the drawings

Fig. 1 is this utility model overall structure diagram；

Fig. 2 is this utility model whole interior structural representation；

Fig. 3 is the external instrument driving bevel gear structural representation of this utility model；

Fig. 4 be Fig. 2 along A-A to cross section structure diagram；

In figure：1 housing, 2 clamp arm tumblers, 3 rotary shafts one, 4 connecting rods one, 5 auxiliary pins, 6 needle bearings, 7 rotary shafts Two, 8 rotary shafts three, 9 clamp sensor block in place, and 10 clamp proximity switch in place, 11 driving levers, and 12 open proximity switch in place, 13 dust-proof seal rings, 14 dust caps, 15 driving bevel gears, 16 cylinders, 17 directive wheels, 18 driven bevel pinions, 19 cylinder piston rods, The external joint of 20 proximity switches, 21 rotary shafts four, 22 connecting rods two, 23 proximity switch supports, 24 jackscrews, 25 copper graphite bearings.

Specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment according to this utility model offer, structure, feature Details are as follows：

As Figure 1-Figure 4, a kind of weld car integral type clamping device, the clamping device is by housing 1, cylinder 16, company Linkage, cam mechanism, bevel gear matching mechanism and proximity switch mechanism connect and compose；Concrete part includes housing 1, clamp arm Tumbler 2, rotary shaft 1, connecting rod 1, auxiliary pin 5, needle bearing 6, rotary shaft 27, rotary shaft 38, clamping sense in place Block 9, clamping proximity switch 10, driving lever 11, opening proximity switch 12, dust-proof seal ring 13, dust cap 14, active in place in place The external joint 20, rotary shaft of bevel gear 15, cylinder 16, directive wheel 17, driven bevel pinion 18, cylinder piston rod 19, proximity switch 4 21, connecting rod 2 22, proximity switch support 23, jackscrew 24 and copper graphite bearing 25.

The linkage includes that clamp arm tumbler 2, rotary shaft 1, connecting rod 1, rotary shaft 27, clamping are felt in place Answer block 9, driving lever 11, directive wheel 17, rotary shaft 4 21 and connecting rod 2 22；The rotary shaft 1 is by clamp arm tumbler 2 and even Bar 1 is hinged, rotary shaft 27 pass through one 4 cam end circular hole of connecting rod, 27 two ends of rotary shaft successively installing connecting rods 2 22 and be oriented to Wheel 17, rotary shaft 4 21 pass through driving lever 11,4 21 two ends of rotary shaft installing connecting rods 2 22 and directive wheel 17 successively；Clamp in place Sensor block 9 is arranged on driving lever 11 on corresponding installing hole.

The cam mechanism includes rotary shaft 1, connecting rod 1, rotary shaft 27 and needle bearing 6；Rotary shaft 27 is installed In the preset installing hole of housing 1, needle bearing 6 is arranged in rotary shaft 27, and connecting rod 1 is provided with cam surface, and connecting rod 1 is pacified It is mounted in rotary shaft 1 and rotary shaft 27, cam surface and 6 periphery of needle bearing of connecting rod 1 are engaged.

The bevel gear matching mechanism includes driving bevel gear 15, driven bevel pinion 18, cylinder piston rod 19, jackscrew 24； The driving bevel gear 15 is used as specific purpose tool, it is not necessary on clamping device main body mechanism, and driven bevel pinion 18 is installed On cylinder piston rod 19, fixed by jackscrew 24；The driving bevel gear 15 coordinates adjustment with 18 tooth of driven bevel pinion.

The proximity switch mechanism includes proximity switch support 25, clamps proximity switch 10 in place and open to be close in place and open Close 12；The proximity switch mechanism is arranged in housing 1 on the outside of the driving lever 11 of respective link mechanism, and the clamping is close in place Switch 10 is arranged on 23 upper and lower parts of proximity switch support with the correspondence of proximity switch 12 in place is opened, and clamps close in place opening Close 10 and open that proximity switch 12 in place passes through data wire and the external joint of proximity switch 20 is connected, the external joint of proximity switch 20 On the outside of housing 1.

The linkage and bevel gear matching mechanism are respectively arranged at the upper and lower parts in housing 1；1 bottom of housing sets There is cylinder 16, cylinder 16 is arranged on housing 1, and cylinder piston rod 19 is connected with driving lever 11；Housing side lower part is provided with installing hole, Dust cap 14 is installed thereon；In housing 1,11 side of adjacent driving lever is provided with proximity switch support 25 in proximity switch mechanism；Shell 1 internal upper part of body correspondence opens up Long Circle gathering sill and circular mounting hole；Copper graphite bearing 25 is embedded in the installing hole of housing 1, Clamp arm tumbler 2 is arranged on copper graphite bearing 25；The installing hole of 1 proximity switch side of housing turns built with rotary shaft 38 Needle bearing 6 is installed on moving axis 38；Auxiliary pin 5 is provided with 1 top perforate of housing, between housing 1 and auxiliary pin 5, is provided with anti- Dirt sealing ring 13.

The driving lever 11 is threadedly coupled with cylinder piston rod 19.

The clamping device is in use：Dust cap is unclamped, the adjusting hole on housing, driving bevel gear are exposed in rotation In adjusting hole on insertion housing, driving bevel gear rotation is adjusted, by the cooperation of driving bevel gear and driven bevel pinion, will rotation Turn direction to be changed to vertically from level, driven bevel pinion drives cylinder piston rod rotation, changes the peace of driving lever and cylinder piston rod Dress distance, so as to adjust the open angle of clamp arm revolving part.

In automobile fixture, clamping unit needs manually to clamp, and after clamping meets the requirements, clamping device lower chamber of air cylinder fills Gas keeps clamped condition, and when clamping undesirable, clamping device is manually opened by needs, clamps until clamping again and meets Till requirement, in the case of needing manually to open clamping again, cylinder does not provide rollback power, and now linkage is in certainly Lock status, it is impossible to rotate clamp arm tumbler, borrows external force and taps downwards auxiliary pin 5, and auxiliary pin 5 moves downward contact connecting rod 4 Drivening rod 4 is moved downward afterwards, makes mechanism kinematic to non-self-lock-ing position.

Utility model works principle and main structure：Cylinder piston rod moves downward through connecting rod two and ties with connecting rod Structure is moved, and clamp arm tumbler is rotated centered on the hole on housing, and clamp arm tumbler is provided with automobile welding and assembling clamp Clamp arm, clamp arm revolving part rotarily drive clamp arm rotation, so as to realize clamping and the opening of clamp arm；Cylinder piston Bar is moved upwards, drives driving lever to move upward to top, is clamped sensor block in place and in place, is clamped proximity switch in place and perceive Sensor block in place is clamped, proximity switch in place is clamped and is sent signal clamp in place；Cylinder piston rod is moved downward, and drives master Lever is moved downwardly to bottom, and driven bevel pinion moves to bottom, opens proximity switch in place and perceives driven bevel pinion, opens Proximity switch sends signal fixture and opens in place in place.Adjustment clamp arm open angle is had during the use of clamping device Situation, during adjustment, need for clamp arm revolving part to rotate to open mode, by housing dust cap open, active umbrella tooth Wheel is stopped after being engaged with driven bevel pinion through the via on housing to driving bevel gear front end, and rotation driving bevel gear drives Driven bevel pinion rotates, and cylinder piston rod is rotated with driven bevel pinion, is threadedly coupled with driving lever so as to change cylinder piston rod Length, driving lever are threadedly coupled with cylinder piston rod that length is longer, and two position of rotary shaft is lower, the clamp arm tumbler anglec of rotation Bigger, i.e. clamp arm open angle is bigger；Conversely, clamp arm open angle is less.After being adjusted to the angle of needs, by active umbrella Gear takes out, dust-proof cover locking.

Driving bevel gear and driven bevel pinion are separated by this utility model, are not arranged on agent set, to greatest extent The clamping device overall dimensions are reduced, by driving bevel gear and the cooperation of driven bevel pinion, direction of rotation is changed from level For vertical, driven bevel pinion drive cylinder piston rod rotation, change the mounting distance of driving lever and cylinder piston rod, so as to adjust The open angle of clamp arm revolving part.

The above-mentioned detailed description carried out to the weld car integral type clamping device with reference to embodiment is illustrative and not It is determinate；Therefore changing and modifications under without departing from this utility model general plotting, should belong to protection of the present utility model Within the scope of.

Claims (5)

1. a kind of weld car integral type clamping device, it is characterised in that the clamping device include housing, cylinder, linkage, Cam mechanism, bevel gear matching mechanism and proximity switch mechanism；

The linkage includes that housing, clamp arm tumbler, rotary shaft one, connecting rod one, rotary shaft two, clamping sense in place Block, driving lever, directive wheel, rotary shaft four and connecting rod two；Clamp arm tumbler is hinged by the rotary shaft one with connecting rod one, is rotated Axle two passes through connecting rod cam end circular hole, two two ends of rotary shaft installing connecting rods two and directive wheel successively, rotary shaft four to pass through driving lever, Four two ends of rotary shaft installing connecting rods two and directive wheel successively；Sensor block is arranged on corresponding installation on driving lever in place for the clamping Kong Shang；

The cam mechanism includes rotary shaft one, connecting rod one, rotary shaft two and needle bearing；It is preset that rotary shaft two is arranged on housing Installing hole in, needle bearing is arranged in rotary shaft two, and connecting rod one is provided with cam surface, and connecting rod one is arranged on rotary shaft one and turns On moving axis two, cam surface and the needle bearing periphery of connecting rod one are engaged；

The bevel gear matching mechanism includes driving bevel gear, driven bevel pinion, cylinder piston rod and jackscrew, arranges as special The driving bevel gear of instrument, when mechanism needs adjustment angle, unclamps the adjusting hole that dust cap rotation is exposed on housing, will actively Bevel gear coordinates adjustment with driven bevel pinion through adjusting hole on housing；The driven bevel pinion is arranged on cylinder piston rod, Fixed by jackscrew；

The proximity switch mechanism includes proximity switch support, clamps proximity switch in place and open proximity switch in place；It is described Clamp in place proximity switch and open in place proximity switch it is corresponding be arranged on proximity switch support on, clamping in place proximity switch with Open proximity switch in place to be connected with the external joint of proximity switch by data wire, the external joint of proximity switch is arranged on outside housing Side；

The linkage and bevel gear matching mechanism are respectively arranged at the upper and lower parts in housing；The lower housing portion is provided with Cylinder, cylinder are arranged on housing, and cylinder piston rod is connected with driving lever；In housing, adjacent driving lever side is provided with proximity switch Proximity switch support in mechanism；Housing internal upper part correspondence opens up Long Circle gathering sill and circular mounting hole；Copper graphite bearing is embedding In the installing hole of housing, clamp arm tumbler is arranged on copper graphite bearing；In the installing hole of housing proximity switch side Equipped with rotary shaft three, needle bearing is installed in rotary shaft three.

2. weld car integral type clamping device according to claim 1, it is characterised in that in the housing upper perforate It is provided with auxiliary pin.

3. weld car integral type clamping device according to claim 1, it is characterised in that the housing side lower part is provided with Installing hole, which is provided with dust cap.

4. weld car integral type clamping device according to claim 1, it is characterised in that the housing and auxiliary pin Between be provided with dust-proof seal ring.

5. weld car integral type clamping device according to claim 1, it is characterised in that the driving lever is lived with cylinder Stopper rod is threadedly coupled.